HR: 0830h
AN: P51C-0463    [PDF]
TI: Retrieval of Composition of Jupiter's Atmosphere From Passive Microwave Sounding
AU: * Marley, M S
EM: mmarley@mail.arc.nasa.gov
AF: NASA Ames Research Center, Mail Stop 245-3, Moffett Field, CA 94035 United States
AU: Freedman, R
EM: freedman@darkstar.arc.nasa.gov
AF: SETI Institute, 2035 Landings Dr., Mountain View, CA 94043 United States
AU: de Pater, I
EM: imke@astron.berkeley.edu
AF: University of California, Berkeley, 610 Cambell Hall, Berkeley, CA 94720 United States
AU: Young, R E
EM: reyoung@mail.arc.nasa.gov
AF: NASA Ames Research Center, Mail Stop 245-3, Moffett Field, CA 94035 United States
AU: deBoer, D
EM: ddeboer@astron.Berkeley.EDU
AF: University of California, Berkeley, 610 Cambell Hall, Berkeley, CA 94720 United States
AB: Passive sounding of Jupiter's atmosphere at wavelengths between 1-100 cm may be a possible technique for retrieving compositional information from orbiting spacecraft to depths corresponding to hundreds of bars pressure. The Solar System Exploration Decadal Survey has recommended such sounding for a future Jupiter Polar Orbiter Probe mission. We assess the sensitivity of retrieved atmospheric composition in the spectral region 1-100 cm to several parameters, including: spectral line shapes and widths of ammonia and water at high pressures and temperatures, thermal structure of the atmosphere, non-ideal gas effects in the gaseous equation of state, elemental abundance uncertainties, cloud dielectric properties, pressure depth to which the retrieval algorithm extends, and influence of ionization of, for example, alkali metals at high temperatures in the deepest portions of the retrieval region.
DE: 5704 Atmospheres--composition and chemistry
SC: Planetary Sciences [P]
MN: 2003 Fall Meeting